The AH-VALVE is a service replacement valve for compatible Aggressor train horn assemblies. It is designed for AH-300, AH-300BLK, and AH-D300+ horns.

Use it to restore proper horn valve operation when servicing an existing Aggressor air horn setup.

Key Features

REPLACEMENT HORN VALVE

Designed to replace the valve on compatible Aggressor train horn assemblies.

HEAVY-DUTY 1/2-INCH VALVE

Uses a heavy-duty 1/2-inch valve design for supported horn applications.

AH-300 SERIES COMPATIBILITY

Compatible with AH-300, AH-300BLK, and AH-D300+ train horns.

SERVICE AND REPAIR PART

Helps restore proper horn activation during system service.

DIRECT REPLACEMENT SUPPORT

Designed as a dedicated Aggressor replacement part.

FITMENT SHOULD BE CONFIRMED

Confirm the horn model before ordering to make sure this is the correct replacement valve.